Concave cutter
[机] 凹面铣刀
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
The meat packing industry is developing fast.
肉类加工业发展迅速。
I'll ask some of the passengers.
我来问问其他乘客。